Hunan. Three-meter congee store is a deep cultivation of the catering industry for many years, focusing on small and medium-sized catering market, integrating brand development, brand packaging, business model output, brand operation and management as a whole, of which pickled bean curd is from Hunan, which is a specialty of Hunan, with cowpea curd as the main ingredient, and its taste is unique, which is loved by the majority of the public.